abstract：OBJECTIVES:The filtered backprojection is not able to cope with metal-induced inconsistencies in the Radon space which leads to artifacts in reconstructed CT images. A new algorithm is presented that reduces the drawbacks of existing artifact reduction strategies. METHODS:Inconsistent projection data are bridged by di...

journal_title：Methods of information in medicine

authors： Buzug T,Oehler M

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:In the field of open electronic health records (EHRs), openEHR as an archetype-based approach is being increasingly recognised. It is the objective of this paper to shortly describe this approach, and to analyse how openEHR archetypes impact on health professionals and semantic interoperability. METHODS:Ana...

journal_title：Methods of information in medicine

authors： Garde S,Knaup P,Hovenga E,Heard S

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVE:IMIA, the International Medical Informatics Association, has adopted the IMIA Strategic Plan, "Towards IMIA 2015". In order to turn the vision into reality, we invite all members of IMIA, and others with an interest in our work, to engage in activities designed to achieve the key strategic goals of the plan. ...

journal_title：Methods of information in medicine

authors： Murray P,Haux R,Lorenzi N

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:The concept of our system is not only to manage material flows, but also to provide an integrated management resource, a means of correcting errors in medical treatment, and applications to EBM (evidence-based medicine) through the data mining of medical records. METHODS:Prior to the development of this sys...

journal_title：Methods of information in medicine

authors： Akiyama M

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:Benchmarking statements provide a mechanism for making academic standards explicit within a subject area. They allow comparisons between courses to be based on learning outcomes rather than by defining a curriculum. No such statement has been produced for informatics. In the absence of any established benchm...

journal_title：Methods of information in medicine

authors： Pigott K,de Lusignan S,Rapley A,Robinson J,Pritchard-Copley A

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:The purpose of this work is to develop a health information platform connecting most health facilities in the Rhône-Alpes region. The health platform called SIS-RA is used through a Web interface. An iconic interface is dedicated to the platform and presents information in a unique way for all users. METHOD...

journal_title：Methods of information in medicine

authors： Durand T,Spacagna H,Verdier C,Biron P,Flory A

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVE:To intensify the collaboration between WHO, the World Health Organization, and IMIA, the International Medical Informatics Association. METHODS:Identifying key areas of collaboration and publishing a joint communiqué during Medinfo 2007 in Brisbane, Australia. RESULTS AND CONCLUSIONS:WHO and IMIA have ident...

journal_title：Methods of information in medicine

authors： Geissbuhler A,Haux R,Kwankam SY

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:The log-binomial model is recommended for calculating the prevalence ratio in cross-sectional studies with binary outcomes. However, convergence problems may occur as this model is numerically unstable. If this happens, the Poisson model should be used, but the Poisson model variance needs to be adjusted. He...

journal_title：Methods of information in medicine

authors： Wolkewitz M,Bruckner T,Schumacher M

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:GTDS is a documentation system used by more than 40 German hospital cancer registries. This paper discusses the factors that contributed to its success concerning design, development, and routine use. METHODS:Success is measured in terms of the system's financial independence of public grants and its succes...

journal_title：Methods of information in medicine

authors： Altmann U,Dudeck J

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:The International Medical Informatics Association (IMIA) today is an inclusive organization that represents the medical and health informatics world through its multiple member countries as well as affiliate, corporate and academic institutions, plus working groups and regions. The IMIA leadership deemed thi...

journal_title：Methods of information in medicine

authors： IMIA Strategic Planning Task Force.

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:The healthcare sector is facing an enormous acceleration due to the emergence of new knowledge, drugs, devices and diseases. Professional competence, continuing education, service excellence and patient benefits can be facilitated by the developments in information and computer technology--computer literacy ...

journal_title：Methods of information in medicine

authors： Stepánková O,Engová D

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:The exchange of medical data from research and clinical routine across institutional borders is essential to establish an integrated healthcare platform. In this project we want to realize the standardized exchange of medical data between different healthcare institutions to implement an integrated and inter...

journal_title：Methods of information in medicine

authors： Gerdsen F,Müller S,Jablonski S,Prokosch HU

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:Data collected within the German nosocomial infection surveillance system KISS are recommended as reference data for judging nosocomial infection rates in German intensive care units (ICUs). It is unknown whether the KISS data tend to under- or overestimate the true infection incidence rates. In this article...

journal_title：Methods of information in medicine

authors： Rücker G,Schoop R,Beyersmann J,Schumacher M,Zuschneid I

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:To contribute a new perspective on recent investigations into the scientific foundations of medical informatics (MI) and bioinformatics (BI). To support efforts that could generate synergies and new research directions. METHODS:MI and BI are compared and contrasted from a philosophy of science perspective. ...

journal_title：Methods of information in medicine

authors： Maojo V,Kulikowski C

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:To evaluate split selection instability in six survival tree algorithms and its relationship with predictive error by means of a bootstrap study. METHODS:We study the following algorithms: logrank statistic with multivariate p-value adjustment without pruning (LR), Kaplan-Meier distance of survival curves (...

journal_title：Methods of information in medicine

authors： Radespiel-Tröger M,Gefeller O,Rabenstein T,Hothorn T

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:The National Cancer Institute (NCI) has developed the Common Data Elements (CDE) to serve as a controlled vocabulary of data descriptors for cancer research, to facilitate data interchange and inter-operability between cancer research centers. We evaluated CDE's structure to see whether it could represent th...

journal_title：Methods of information in medicine

authors： Nadkarni PM,Brandt CA

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:To draw a parallel between the challenges by which a research department in biomedical informatics is confronted and those of a symphony orchestra; in both areas different disciplines and various groups of instruments can be discerned. METHOD:Retrospective, personal review of how to conduct biomedical resear...

journal_title：Methods of information in medicine

authors： van Bemmel JH

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:The main objective of the research is an application of the clustering and cluster validity methods to estimate the number of clusters in cancer tumor datasets. A weighed voting technique is going to be used to improve the prediction of the number of clusters based on different data mining techniques. These ...

journal_title：Methods of information in medicine

authors： Bolshakova N,Azuaje F

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:Clinical guidelines are special types of plans realized by collective agents. We provide an ontological theory of such plans that is designed to support the construction of a framework in which guideline-based information systems can be employed in the management of workflow in health care organizations. MET...

journal_title：Methods of information in medicine

authors： Kumar A,Smith B,Pisanelli DM,Gangemi A,Stefanelli M

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:Record linkage of patient data originating from various data sources and record linkage for checking uniqueness of patient registration are common tasks for every cancer registry. In Austria, there is no unique person identifier in use in the medical system. Hence, it was necessary and the goal of this work t...

journal_title：Methods of information in medicine

authors： Oberaigner W,Stühlinger W

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVE:Recent results published by Coste et al. in discriminant analysis with ordinal responses showed the superiority of optimal discriminating analysis for ordinal responses (ODAO) both in terms of classification and simplicity of implementation compared to classic methods (Fisher's discrimination, logistic regres...

journal_title：Methods of information in medicine

authors： Le Teuff G,Quantin C,Venot A,Walter E,Coste J

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:Electroencephalographic burst activity characteristic of burst-suppression pattern (BSP) in sedated patients and of burst-interburst pattern (BIP) in the quiet sleep of healthy neonates have similar linear and non-linear signal properties. Strong interrelations between a slow frequency component and rhythmic...

journal_title：Methods of information in medicine

authors： Schwab K,Eiselt M,Schelenz C,Witte H

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:We discuss supervised classification techniques applied to medical diagnosis based on gene expression profiles. Our focus lies on strategies of adaptive model selection to avoid overfitting in high-dimensional spaces. METHODS:We introduce likelihood-based methods, classification trees, support vector machin...

journal_title：Methods of information in medicine

authors： Markowetz F,Spang R

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:This study aimed at gaining comprehensive information on the current status of patient care and management applications used in German acute hospitals. Since the degree of ICT coverage in hospitals depends on the attitude of the key decision makers we also wanted to capture their plans and priorities and her...

journal_title：Methods of information in medicine

authors： Hübner U,Sellemann B

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:Our objective was to design and develop a mobile clinical decision support system for emergency triage of different acute pain presentations. The system should interact with existing hospital information systems, run on mobile computing devices (handheld computers) and be suitable for operation in weak-conne...

journal_title：Methods of information in medicine

authors： Michalowski W,Slowinski R,Wilk S,Farion KJ,Pike J,Rubin S

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:The analysis of energetic ventricular variable changes during artificial ventilation, obtained by numerical simulation was done. Twenty-one sets of hemodynamic parameters for eight cardiosurgical patients were used to estimate left and right stroke work. The data were collected for three methods of ventilati...

journal_title：Methods of information in medicine

authors： De Lazzari C,Darowski M,Wolski P,Ferrari G,Tosti G,Pisanelli DM

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:The European GEMSS Project is concerned with the creation of medical Grid service prototypes and their evaluation in a secure service-oriented infrastructure for distributed on demand/supercomputing. Key aspects of the GEMSS Grid middleware include negotiable QoS support for time-critical service provision, ...

journal_title：Methods of information in medicine

authors： Benkner S,Berti G,Engelbrecht G,Fingberg J,Kohring G,Middleton SE,Schmidt R

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:Biomedical applications, such as analysis and management of mass spectrometry proteomics experiments, involve heterogeneous platforms and knowledge, massive data sets, and complex algorithms. Main requirements of such applications are semantic modeling of the experiments and data analysis, as well as high pe...

journal_title：Methods of information in medicine

authors： Cannataro M,Cuda G,Veltri P

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:Lifestyle has a major influence on the development and progression of atherosclerosis. Our motto for healthy habits is "give up one, reduce two, and increase three". The one thing that is to be given up is smoking. The two things that are to be reduced are intake of food and alcohol. The three things that ar...

journal_title：Methods of information in medicine

authors： Wada T,Fujishiro K,Fukumoto T,Joki M

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVES:Epidemiologists are reformulating their classical approaches to diseases by considering various issues associated to "omics" areas and technologies. Traditional differences between epidemiology and genetics include background, training, terminologies, study designs and others. Public health and epidemiology ...

journal_title：Methods of information in medicine

authors： Maojo V,Martin-Sanchez F

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:Both open- and closed-loop models of beat-to-beat cardiovascular control have been suggested. We tested whether the modelling yields different results with real data while assessing cardiopulmonary and baroreflex gains. METHODS:Two autoregressive models are described to resolve causal relationships between ...

journal_title：Methods of information in medicine

authors： Takalo R,Saul JP,Korhonen I

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:Combination of multiple testing and modeling techniques in dose-response studies. Use of hypotheses tests to assess the significance of the dose-response signal associated with a given candidate dose-response model. Estimation of target dose(s) following the previous model selection step. Illustration of the...

journal_title：Methods of information in medicine

authors： Bretz F,Pinheiro JC,Branson M

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:According to results from the epidemiological literature, it can be expected that the prevalence odds ratio (POR) and the prevalence ratio (PR) differ with increasing disease prevalence. We illustrate different concepts to calculate these effect measures in cross-sectional studies and discuss their advantage...

journal_title：Methods of information in medicine

authors： Behrens T,Taeger D,Wellmann J,Keil U

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:To design, implement in Java, and evaluate a method and means for the automated localization of artificial landmarks in optical images for tuned-aperture computed tomography (TACT) that allows the replacement of radiographic with optical landmarks. METHODS:Circular, colored, optical landmarks were designed ...

journal_title：Methods of information in medicine

authors： Linnenbrügger NI,Webber RL,Kobbelt LP,Lehmann TM

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:Cerebral ventricular volume has the potential to become an important parameter in quantitative neurological diagnosis. However, no accepted methodology for routine clinical use exists to date. We sought a robust, reproducible, and fast technique to evaluate cerebral ventricular volume in young children. MET...

journal_title：Methods of information in medicine

authors： Hahn HK,Millar WS,Klinghammer O,Durkin MS,Tulipano PK,Peitgen HO

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:The traditional techniques of data analysis are often not sufficient to characterize the complex dynamics of respiration. In this study the respiratory pattern variability was analyzed using symbolic dynamics. METHODS:A group of 20 patients on weaning trials from mechanical ventilation were studied at two d...

journal_title：Methods of information in medicine

authors： Caminal P,Mateu J,Vallverdú M,Giraldo B,Benito S,Voss A

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:The objective of this study was to explore suitable spatial filters for inverse estimation of cortical potentials from the scalp electroencephalogram. The effect of incorporating noise covariance into inverse procedures was examined by computer simulations and tested in human experiment. METHODS:The paramet...

journal_title：Methods of information in medicine

authors： Hori J,Lian J,He B

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:EEG scalp potential distributions recorded in humans are affected by low spatial resolution and by the dependence on the electrical reference used. High resolution EEG technologies are available to drastically increase the spatial resolution of the raw EEG. Such technologies include the computation of surfac...

journal_title：Methods of information in medicine

authors： Cincotti F,Babiloni C,Miniussi C,Carducci F,Moretti D,Salinari S,Pascual-Marqui R,Rossini PM,Babiloni F

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:Ventricular tachycardia (VT) provoking sudden cardiac death (SCD) are a major cause of mortality in the developed countries. The most efficient therapy for SCD prevention are implantable cardioverter defibrillators (ICD). In this study heart rate variability (HRV) measures were analyzed for short-term foreca...

journal_title：Methods of information in medicine

authors： Baumert M,Baier V,Haueisen J,Wessel N,Meyerfeldt U,Schirdewan A,Voss A

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVES:As a preliminary for the design of Computer-Based Patient Records, the aim of this paper is to build an understanding of the roles physical artifacts like paper-based patient records play in supporting cognition and collaboration in the health-care settings. METHOD:A small ethnographically-informed study wa...

journal_title：Methods of information in medicine

authors： Bång M,Timpka T

更新日期：2003-01-01 00:00:00